S-25A040A0A-T8T2UD - Seiko Instruments USA, Inc.

S-25A010A/020A/040A

www.sii-ic.com

125°C OPERATION

SPI SERIAL E2PROM FOR AUTOMOTIVE

Seiko Instruments Inc. 1

This IC is a SPI serial E2PROM which operates under the high temperature, at high speed, with the wide range operation for

automotive components. This IC has the capacity of 1 K-bit, 2 K-bit, 4 K-bit and the organization of 128 words × 8-bit, 256

words × 8-bit, 512 words × 8-bit. Page write and Sequential read are available.

Caution Before using the product in automobile control unit or medical equipment, contact to SII is indispensable.

 Features

• Operating voltage range

Read: 2.5 V to 5.5 V

Write: 2.5 V to 5.5 V

• Operation frequency: 6.5 MHz max.

• Write time: 4.0 ms max.

• SPI mode (0, 0) and (1, 1)

• Page write: 16 bytes / page

• Sequential read

• Write protect: Software, Hardware

Protect area: 25%, 50%, 100%

• Monitoring of a write memory state by the status register

• Function to prevent malfunction by monitoring clock pulse

• Write protect function during the low power supply voltage

• CMOS schmitt input (CS, SCK, SI, WP , HOLD)

• Endurance*1: 106 cycle / word*2 (Ta = +25°C)

5 × 105 cycle / word*2 (Ta = +125°C)

• Data retention: 100 years (Ta = +25°C)

50 years (Ta = +125°C)

• Memory capacity

S-25A010A: 1 K-bit

S-25A020A: 2 K-bit

S-25A040A: 4 K-bit

• Initial shipment data: FFh, BP1 = 0, BP0 = 0

• Burn-in specification: Wafer level burn-in

• Lead-free (Sn 100%), halogen-free*3

*1. Refer to " Endurance" for details.

*2. For each address (Word: 8-bit)

*3. Refer to " Product Name Structure" for details.

 Packages

• 8-Pin SOP (JEDEC)

1

4

5

8

(5.0 × 6.0 × t1.75 mm)

• 8-Pin TSSOP

1

4

5

8

(3.0 × 6.4 × t1.1 mm)

• TMSOP-8

14

5

8

(2.9 × 4.0 × t0.8 mm)

Remark Refer to "3. Product name list" in " Product Name Structure" for details of package and product.

125°C OPERATION SPI SERIAL E2PROM FOR AUTOMOTIVE

S-25A010A/020A/040A Rev.5.0_00

Seiko Instruments Inc.

2

 Block Diagram

Mode

Decoder

Status RegisterAddress Register

Data Register

WP

CS

HOLD

SI

SCK

SO

VCC

GND

Memory

Cell

Array

Status

Memory Cell Array

Voltage Detector

Read Circuit

Clock Counter

Y Decoder

X Decoder

Input Control Circuit

Output

Control

Circuit

Step-up Circuit

Page Latch

Figure 1

125°C OPERATION SPI SERIAL E2PROM FOR AUTOMOTIVE

Rev.5.0_00 S-25A010A/020A/040A

Seiko Instruments Inc. 3

 Product Name Structure

1. Product name

S-25AxxxA 0A − xxxx U D

Burn-in specification

D: Wafer level burn-in

Environmental code

U: Lead-free (Sn 100%), halogen-free

Package name (abbreviation) and IC packing specification*1

J8T2: 8-Pin SOP (JEDEC), Tape

T8T2: 8-Pin TSSOP, Tape

K8T2: TMSOP-8, Tape

Fixed

Product name

S-25A010A: 1 K-bit

S-25A020A: 2 K-bit

S-25A040A: 4 K-bit

*1. Refer to the tape drawing.

2. Packages

Table 1 Packag e Drawing Codes

Package Name Dimension Tape Reel

8-Pin SOP (JEDEC) FJ008-A-P-SD FJ008-D-C-SD FJ008-D-R-SD

8-Pin TSSOP FT008-A-P-SD FT008-E-C-SD FT008-E-R-SD

TMSOP-8 FM008-A-P-SD FM008-A-C-SD FM008-A-R-SD

3. Product name list

Table 2

Product Name Capacity Package Quantity

S-25A010A0A-J8T2UD 1 K bit 8-Pin SOP (JEDEC) 2000 pcs / reel

S-25A010A0A-T8T2UD 1 K bit 8-Pin TSSOP 3000 pcs / reel

S-25A010A0A-K8T2UD 1 K bit TMSOP-8 4000 pcs / reel

S-25A020A0A-J8T2UD 2 K bit 8-Pin SOP (JEDEC) 2000 pcs / reel

S-25A020A0A-T8T2UD 2 K bit 8-Pin TSSOP 3000 pcs / reel

S-25A020A0A-K8T2UD 2 K bit TMSOP-8 4000 pcs / reel

S-25A040A0A-J8T2UD 4 K bit 8-Pin SOP (JEDEC) 2000 pcs / reel

S-25A040A0A-T8T2UD 4 K bit 8-Pin TSSOP 3000 pcs / reel

S-25A040A0A-K8T2UD 4 K bit TMSOP-8 4000 pcs / reel

Remark 1. Please contact our sales office for product s with product name structure other t han those

specified above.

2. This IC is wafer level burn-in specification.